CN216799197U

CN216799197U - Galvanized square tube hot galvanizing waste gas innocent treatment system

Info

Publication number: CN216799197U
Application number: CN202220004834.XU
Authority: CN
Inventors: 李平
Original assignee: Shanghai Yiqian Metal Technology Co ltd
Current assignee: Shanghai Yiqian Metal Technology Co ltd
Priority date: 2022-01-02
Filing date: 2022-01-02
Publication date: 2022-06-24
Anticipated expiration: 2032-01-02

Abstract

The utility model relates to a zinc-plated square tube hot-galvanize waste gas innocent treatment system, belong to zinc-plated waste gas innocent treatment's field, including the spray column that sets gradually and communicate each other, booster fan and deodorization adsorption tank, the spray column includes the tower body, an air inlet pipe, the blast pipe, the drain pipe, the shower, nozzle and packing layer, the intake pipe rigid coupling is linked together in the lateral wall of tower body and with the inside cavity of tower body, the blast pipe rigid coupling is linked together in the roof of tower body and with the inside cavity of tower body, the drain pipe rigid coupling is linked together in the diapire of tower body and with the inside cavity of tower body, the tower body is worn to locate by the shower, the nozzle has a plurality ofly and all sets up the shower in the tower body, shower outside the tower body is connected to the water source, the packing layer is located in the tower body and is located the shower below. The method has the advantages that waste gas generated by the hot galvanizing process in the production process of the galvanized square tube is washed firstly and then is subjected to deodorization and adsorption, harmless emission of hot galvanizing waste gas can be achieved, and the pollution to the environment is reduced.

Description

Galvanized square tube hot galvanizing waste gas innocent treatment system

Technical Field

The application relates to the field of harmless treatment of galvanized waste gas, in particular to a harmless treatment system for hot galvanizing waste gas of a galvanized square tube.

Background

The galvanized square and rectangular pipe is a hollow long-strip steel, and is also called a flat pipe, a flat square pipe or a square flat pipe. The galvanized square tube is widely used as a pipeline for conveying various fluids, such as oil, natural gas, water, gas, steam and the like. In addition, the square tube has better bending resistance, torsional strength and other properties on the basis of the same weight, and therefore, the square tube is widely used for manufacturing mechanical parts, engineering structures and the like.

The galvanized square tube is generally divided into a hot galvanized tube and an electrogalvanized tube, and the hot galvanized tube has the advantages of thick coating, uniform coating, strong adhesive force, long service life and the like. While the galvanised pipe is less expensive, but its surface is rougher and therefore its corrosion resistance is much worse than that of the hot galvanized pipe.

At present, a common hot-dip galvanized square tube production mode is that a steel plate or a steel strip is coiled and formed and then is welded to form a thick tube, and then the thick tube is placed into a hot-dip galvanizing pool to be subjected to a series of chemical reactions to form a hot-dip galvanized square tube. The hot galvanizing equipment requirement is low, the production efficiency is high, and the variety and the specification are low, so that the hot galvanizing square tube production method is a common production mode of the galvanized square tube at present.

However, zinc fume is often generated in the hot galvanizing process, and the zinc fume contains zinc oxide fume and ammonium chloride which is an irritant gas, so that the zinc fume has great pollution to the environment and has great irritation to the respiratory tract of a human body. Therefore, if the waste gas of the zinc pot is treated to achieve harmless emission, the technical problem to be solved is urgently needed at present.

SUMMERY OF THE UTILITY MODEL

In order to better carry out innocent treatment to the waste gas that produces when the square and rectangular pipe of zinc-plating hot dip galvanizing production, this application provides a zinc-plating square and rectangular pipe hot dip galvanizing waste gas innocent treatment system.

The application provides a zinc-plated square tube hot-galvanize waste gas innocent treatment system adopts following technical scheme:

the utility model provides a zinc-plated square tube hot-galvanize waste gas innocent treatment system, includes spray column, booster fan and the deodorization adsorption box that sets gradually and communicate each other, the spray column includes tower body, intake pipe, blast pipe, drain pipe, shower, nozzle and packing layer, the intake pipe rigid coupling in the lateral wall of tower body and with the inside cavity of tower body is linked together, the blast pipe rigid coupling in the roof of tower body and with the inside cavity of tower body is linked together, the drain pipe rigid coupling in the diapire of tower body and with the inside cavity of tower body is linked together, the shower is worn to locate the tower body, the nozzle have a plurality ofly and all set up in the tower body the shower, the tower is external shower is connected to the water source, the packing layer is located just be located in the tower body the shower below.

Through adopting above-mentioned technical scheme, during production zinc-plating square tube, the waste gas that hot-galvanize technology produced is collected in unison and enters into inside the spray column through the intake pipe, and the water source that the nozzle carried the shower evenly sprays in the tower body, and waste gas rises the in-process and contacts with the water droplet of whereabouts, and water-soluble gas in the waste gas is dissolved in the aquatic, and solid-state dust in the waste gas falls along with the water droplet of whereabouts. The washed waste gas is pressurized by a booster fan and then is conveyed into a deodorization adsorption box for deodorization adsorption, and finally harmless emission is realized. In the spraying process, the packing layer can greatly improve the contact surface and the contact time of water drops and waste gas, thereby improving the washing efficiency and further improving the harmless treatment level of the waste gas.

Optionally, the water source includes a water tank, a water conduit, a water pump and a water pipe, the water tank is disposed below the tower body and is communicated with the tower body through the drain pipe, the water conduit is communicated with the water tank, a water inlet of the water pump is communicated with the water conduit, the water pipe is connected to a water outlet of the water pump, and one end of the water pipe, which is far away from the water pump, is communicated with the spray pipe.

By adopting the technical scheme, the washing water is collected in the water tank through the drain pipe and can be recycled after being properly treated, thereby achieving the purpose of saving water. The water pump pumps water in the water tank through the water conduit, and then conveys the water to the spray pipe through the water conduit pipe, so as to finish the conveyance of water source.

Optionally, a connecting pipe is arranged on the exhaust pipe, one end of the connecting pipe, which is far away from the exhaust pipe, is connected with an air inlet of the booster fan, an air outlet of the booster fan is provided with an air supply pipe, one end of the air supply pipe, which is far away from the booster fan, is provided with an expansion cover, and one end of the expansion cover, which is far away from the booster fan, is connected with the deodorization adsorption box.

Through adopting above-mentioned technical scheme, the gauze mask can be more even carry waste gas for deodorization adsorption tank to improve the innocent treatment level of waste gas.

Optionally, the deodorization adsorption tank is provided with a filter bin, one end of the filter bin is communicated with the mask expander, and the other end of the filter bin is communicated with the deodorization adsorption tank.

Through adopting above-mentioned technical scheme, filter the storehouse and can further filter the waste gas after the washing, improve deodorization adsorption tank's life.

Optionally, the deodorization adsorption box comprises a hollow box body and a filter element, the filter element comprises an installation ring, a hollow filling net pipe and a plug, the installation ring is fixedly connected to the inner wall of the box body, the filling net pipe is connected to the installation ring, the filling net pipe is internally filled with activated carbon, and the plug is fixedly connected to one end, far away from the installation ring, of the filling net pipe.

By adopting the technical scheme, the waste gas washed by the washing tower and filtered by the filter bin is input into the box body, and firstly enters the filling net pipe through the mounting ring, and one end of the filling net pipe is blocked by the plug, so that the waste gas can only pass through meshes of the filling net pipe and activated carbon filled in the filling net pipe, and a small amount of dust, peculiar smell and the like are adsorbed by the activated carbon in the contact process of the activated carbon and the waste gas, so that the finally discharged waste gas is odorless and harmless.

Optionally, the inner wall and the outer wall of the filling net pipe are circumferentially provided with reinforcing ribs.

By adopting the technical scheme, the reinforcing ribs can improve the strength of the filling net pipe and reduce the possibility of deformation of the filling net pipe.

Optionally, the diapire of box is equipped with the access door, the access door includes to support tight circle, the door body, fastening bolt and hand wheel, support tight circle rigid coupling in the diapire of box and with the inside cavity of box is linked together, the door body support tightly in support tight circle, fastening bolt have a plurality ofly and rotate connect in the diapire of box, set up the confession on the door body fastening bolt sinks into the locking groove, hand wheel threaded connection in fastening bolt and with the door body supports tightly.

Through adopting above-mentioned technical scheme, the access door of extra setting is convenient for adsorb the maintenance of case to the deodorization, and the door body sets up with the complete components of a whole that can function independently of the box, only needs the unscrewing hand wheel and takes out fastening bolt from the locking inslot of the door body and can take off the door body, easy dismounting.

Optionally, the fastening bolt is slidably sleeved with a supporting block, one end of the supporting block is tightly supported by the door body, and the other end of the supporting block is tightly supported by the hand wheel.

Through adopting above-mentioned technical scheme, the tight piece of supporting that additionally sets up can improve the lifting surface area of hand wheel and the door body, improves both atress homogeneity, and then improves the installation stability of the door body.

Optionally, a sealing ring is circumferentially arranged on the abutting ring, and the sealing ring abuts against the door body.

Through adopting above-mentioned technical scheme, the leakproofness of the door body can further be improved to the sealing washer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. waste gas generated by a hot galvanizing process in the production process of the galvanized square tube is washed firstly and then deodorized and adsorbed, so that the harmless emission of hot galvanizing waste gas can be realized, and the pollution to the environment is reduced;

2. by recycling the washing water, the utilization rate of the washing water is improved, the water cost is saved, and the water pollution is reduced;

3. the filter bin is further arranged in front of the deodorization adsorption box, so that the service life of the deodorization adsorption box can be greatly prolonged;

4. through further setting up the access door on the box, be convenient for overhaul deodorization adsorption tank.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic view of the internal structure of the deodorization adsorption tank according to the embodiment of the present application.

Fig. 3 is a schematic structural view of an access door according to an embodiment of the present application.

Description of reference numerals: 1. a spray tower; 11. a tower body; 12. an air inlet pipe; 13. an exhaust pipe; 14. a drain pipe; 15. a shower pipe; 16. a nozzle; 17. a filler layer; 2. a water source; 21. a water tank; 22. a water conduit; 23. a water pump; 24. a water delivery pipe; 3. a connecting pipe; 4. a booster fan; 5. an air supply pipe; 6. a mask expanding cover; 7. a deodorization adsorption tank; 71. a box body; 72. a filter element; 721. installing a ring; 722. filling the network management; 723. a plug; 73. reinforcing the ribs; 8. an access door; 81. a tightening ring; 82. a seal ring; 83. a door body; 84. fastening a bolt; 85. a propping block; 86. a hand wheel; 9. and a filtering bin.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a zinc-plated square tube hot galvanizing waste gas innocent treatment system. Referring to fig. 1, the system for harmless treatment of waste gas from hot dip galvanizing of a galvanized square tube comprises a spray tower 1 for spraying and washing the waste gas. The spray tower 1 comprises a tower body 11, an air inlet pipe 12, an exhaust pipe 13, a drain pipe 14, a spray pipe 15, a nozzle 16 and a packing layer 17, wherein the tower body 11 is erected on the ground, the air inlet pipe 12 is fixedly connected to the side wall of the tower body 11 and is located at one end, close to the ground, of the tower body 11, and the air inlet pipe 12 is communicated with the inner cavity of the tower body 11 and used for conveying waste gas to the inner cavity of the tower body 11.

Referring to fig. 1, three and three shower pipes 15 of the shower pipes 15 are all arranged through the tower body 11, the three shower pipes 15 are arranged along the axial direction of the tower body 11 at equal intervals, one end of the shower pipe 15 extends into the tower body 11, one end of the shower pipe 15 penetrates through the tower body 11 and extends out of the tower body 11, and the shower pipe 15 positioned outside the tower body 11 is communicated with the water source 2. The spray nozzles 16 are provided in plural, and the plural spray nozzles 16 are connected to the shower pipe 15 in the tower body 11, and the plural spray nozzles 16 are arranged at equal intervals in the longitudinal direction of the shower pipe 15. The packing layers 17 are three layers, a packing layer 17 is arranged below each spray pipe 15, and the three packing layers 17 are arranged at equal intervals along the axial direction of the tower body 11. The spray nozzles 16 are used for uniformly spraying the washing water in the spray pipes 15 into the tower body 11 so as to be fully contacted with the rising waste gas to wash the waste gas, and the packing layer 17 is used for improving the contact time and the contact area of the washing water and the waste gas to achieve a better washing effect.

Referring to fig. 1, the exhaust pipe 13 is fixedly connected to a top wall of the tower body 11 and is communicated with an internal cavity of the tower body 11, for conveying the washed exhaust gas to a next process. The drain pipe 14 is fixedly connected to the bottom wall of the tower body 11 and is communicated with the inner cavity of the tower body 11, and is used for uniformly collecting and discharging the washing water.

Referring to fig. 1, the water source 2 includes a water tank 21, a water conduit 22, a water pump 23 and a water conduit 24, the water tank 21 is disposed on the ground below the tower body 11, and one end of the water drain pipe 14 away from the tower body 11 is connected and communicated with the water tank 21 for uniformly collecting and conveying the washing water into the water tank 21. The water conduit 22 is connected to the water tank 21 and communicated with the water tank 21, the water conduit 22 is located at one end of the water tank 21 close to the ground, one end of the water conduit 22 far away from the water tank 21 is connected with a water inlet of the water pump 23, the water conduit 24 is connected to a water outlet of the water pump 23, and one end of the water conduit 24 far away from the water pump 23 is connected and communicated with the spray pipe 15 outside the tower body 11.

Referring to fig. 1, a connecting pipe 3 is connected to the exhaust pipe 13 through a flange assembly, one end of the connecting pipe 3, which is far away from the exhaust pipe 13, is connected to a booster fan 4, and the booster fan 4 is used for boosting the washed exhaust gas. The air outlet of the booster fan 4 is connected with an air supply pipe 5, one end of the air supply pipe 5, which is far away from the booster fan 4, is connected with an expansion cover 6, and the cross-sectional area of one end, which is close to the air supply pipe 5, of the expansion cover 6 is smaller than that of one end, which is far away from the air supply pipe 5, of the expansion cover 6. One end of the mask expanding cover 6, which is far away from the air supply pipe 5, is connected with a filter bin 9, the filter bin 9 is filled with filter cotton, and the filter bin 9 is used for filtering the washed waste gas.

Referring to fig. 1 and 2, the end of the filter bin 9 away from the mask 6 is connected with a deodorization adsorption tank 7, and the deodorization adsorption tank 7 includes a horizontally placed and hollow tank 71 and a filter element 72 disposed in the tank 71 and used for adsorbing the exhaust gas. The filter element 72 comprises a mounting ring 721, a hollow filling net pipe 722 and a plug 723, the mounting ring 721 is circumferentially arranged on the inner wall of the box body 71 in an end-to-end manner, and the mounting ring 721 is positioned at one end of the box body 71 close to the filter bin 9. The filling net pipe 722 is fixedly connected to the mounting ring 721, the filling net pipe 722 extends towards a direction away from the filter bin 9, activated carbon for adsorbing waste gas is filled in the filling net pipe 722, a plurality of reinforcing ribs 73 are circumferentially arranged on both the inner circumferential wall and the outer circumferential wall of the filling net pipe 722, and the reinforcing ribs 73 are arranged at equal intervals along the length direction of the filling net pipe 722. The plug 723 is fixedly connected to one end of the filling network pipe 722 far away from the mounting ring 721, and the mounting ring 721, the filling network pipe 722 and the plug 723 divide the internal cavity of the box body 71 into two chambers. After entering the filling mesh pipe 722, the waste gas must pass through the activated carbon in the filling mesh pipe 722 before entering another chamber and being discharged harmlessly.

Referring to fig. 2 and 3, the bottom wall of the box 71 is provided with an access door 8, and the access door 8 comprises a tightening ring 81, a sealing ring 82, a door body 83, a fastening bolt 84, a tightening block 85 and a hand wheel 86. The abutting ring 81 is fixedly connected to the bottom wall of the box body 71 and communicated with the inner cavity of the box body 71, and the sealing ring 82 is adhered to one end, far away from the box body 71, of the abutting ring 81. The fastening bolts 84 are four, four fastening bolts 84 are hinged to the bottom wall of the box body 71, and the four fastening bolts 84 are arranged at equal intervals along the circumferential direction of the abutting ring 81. The abutting block 85 is slidably sleeved on the abutting bolt, the hand wheel 86 is in threaded connection with the abutting bolt, and the abutting block 85 is located between the hand wheel 86 and the box body 71. The door 83 abuts against the sealing ring 82 to shield the abutting ring 81, and four locking grooves for the fastening bolts 84 to sink into are formed in the door 83. After the door 83 shields the abutting ring 81, the hand wheel 86 is screwed to push the abutting block 85 to abut against the door 83, and further push the door 83 to abut against the sealing ring 82, so as to seal the abutting ring 81.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a zinc-plating square tube hot dip galvanizing waste gas innocent treatment system which characterized in that: comprises a spray tower (1), a booster fan (4) and a deodorization adsorption box (7) which are sequentially arranged and are mutually communicated, wherein the spray tower (1) comprises a tower body (11), an air inlet pipe (12), an exhaust pipe (13), a drain pipe (14), a spray pipe (15), a nozzle (16) and a packing layer (17), the air inlet pipe (12) is fixedly connected with the side wall of the tower body (11) and is communicated with the inner cavity of the tower body (11), the exhaust pipe (13) is fixedly connected with the top wall of the tower body (11) and is communicated with the inner cavity of the tower body (11), the drain pipe (14) is fixedly connected with the bottom wall of the tower body (11) and is communicated with the inner cavity of the tower body (11), the spray pipe (15) is arranged on the tower body (11), the nozzle (16) is provided with a plurality of spray pipes (15) which are arranged in the tower body (11), the spray pipe (15) outside the tower body (11) is connected to a water source (2), and the packing layer (17) is arranged in the tower body (11) and is positioned below the spray pipe (15).

2. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 1, characterized in that: the water source (2) comprises a water tank (21), a water diversion pipe (22), a water pump (23) and a water delivery pipe (24), the water tank (21) is arranged below the tower body (11) and communicated with the tower body (11) through the water drainage pipe (14), the water diversion pipe (22) is communicated with the water tank (21), a water inlet of the water pump (23) is communicated with the water diversion pipe (22), the water delivery pipe (24) is connected to a water outlet of the water pump (23), and one end, far away from the water pump (23), of the water delivery pipe (24) is communicated with the spray pipe (15).

3. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 1, characterized in that: be equipped with connecting pipe (3) on blast pipe (13), keep away from connecting pipe (3) the one end of blast pipe (13) with the air intake of booster fan (4) links to each other, the air outlet of booster fan (4) is equipped with blast pipe (5), keep away from blast pipe (5) the one end of booster fan (4) is equipped with gauze mask (6), gauze mask (6) are kept away from the one end of booster fan (4) with deodorization adsorption tank (7) link to each other.

4. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 3, characterized in that: the deodorization adsorption box (7) is provided with a filter bin (9), one end of the filter bin (9) is communicated with the mask expanding cover (6), and the other end of the filter bin (9) is communicated with the deodorization adsorption box (7).

5. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to any one of claims 1 to 4, characterized in that: the deodorization adsorption box (7) comprises a hollow box body (71) and a filter element (72), wherein the filter element (72) comprises an installation ring (721), a hollow filling net pipe (722) and a plug (723), the installation ring (721) is fixedly connected to the inner wall of the box body (71), the filling net pipe (722) is connected to the installation ring (721), the filling net pipe (722) is filled with active carbon, and the plug (723) is fixedly connected to one end, far away from the installation ring (721), of the filling net pipe (722).

6. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 5, characterized in that: and reinforcing ribs (73) are circumferentially arranged on the inner wall and the outer wall of the filling net pipe (722).

7. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 5, characterized in that: the diapire of box (71) is equipped with access door (8), access door (8) including supporting grip ring (81), door body (83), fastening bolt (84) and hand wheel (86), support grip ring (81) rigid coupling in the diapire of box (71) and with the inside cavity of box (71) is linked together, door body (83) support tightly in support grip ring (81), fastening bolt (84) have a plurality ofly and rotate connect in the diapire of box (71), seted up the confession on door body (83) the locking groove that fastening bolt (84) sink, hand wheel (86) threaded connection in fastening bolt (84) and with door body (83) support tightly.

8. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 7, characterized in that: the fastening bolt (84) is provided with a supporting block (85) in a sliding sleeve mode, one end of the supporting block (85) is tightly supported by the door body (83), and the other end of the supporting block (85) is tightly supported by the hand wheel (86).

9. The harmless treatment system for hot galvanizing waste gas of the galvanized square tube according to claim 7, characterized in that: the sealing ring (82) is arranged on the upper circumferential direction of the abutting ring (81), and the sealing ring (82) abuts against the door body (83).